|
Quotation are invited for Integrity Inspection of PH1 Aux Boiler Drain / Emptying Tank at E Station-Dewa, Jebel Ali. INTEGRITY INSPECTION OF PH1 AUX BOILER DRAIN TANK AT E STATION - DEWAJAPS POWER STATION, JEBEL ALITANKS TECHNICAL SPECIFICATION:AU X BOILER EMPTYING TANK- Q-13B§#DESIGN PRESSURE - ATM§#DESIGN TEMPERATURE - 35 DEG CELSIUS.§#CAPACITY - 100 M3.§#MEDIUM - WATER1. SCO PE OF WORK: -#THE CONTRACTOR SHALL BE COMPETENT AND HAVE ENOUGH EXPERIENCE INSIMILAR WORK. THE WORK SHALL BE UNDERTAKEN WITH UTMOST SAFETY FOR THEPLANT AND HUMANS WORKING UNDER HIM AND NEARBY.THE CONTRACTOR SHOULD HAVE A VALID LICENSE UNDER DUBAI MUNICIPALITY TOIN SPECT AND REPORT THE FINDINGS.THE CONTRACTOR SHALL ARRANGE ALL THE EQUIPMENT, ACCESSORIES AND TOOLSFOR INSPECTION OF THE VESSEL.ELEC TRICAL POWER POINT SHALL BE PROVIDED BY DEWA AT A CENTRAL CONNECTIONWITH OUR AVAILABLE SOCKET CONNECTIONS. HOWEVER, THE CONTRACTOR S HOULDINDICATE HIS ELECTRICAL POWER REQUIREMENT IN ADVANCE. ALL NECESSARYSTEP-DOWN TRANSFORMER CABLES, EXPLOSION-PROOF LIGHTING, AND FANS SHOULDBE ARRANGED BY THE CONTRACTOR.THE CONTRACTOR SHOULD HAVE A PROPER RISK ASSESSMENT FOR USING THEIRTESTING EQUIPMENT, ACCES SORIES AND TOOLS AND SHOULD KEEP IT AT THE SITEFOR READY REFERENCE.THE CONTRACTOR SHALL BE RESPONSIBLE FOR THE SAFETY OF HIS EQUIPME NT ANDPERSONNEL AND WILL FOLLOW ALL ESTABLISHED CODES OF PRACTICES ON SAFETYAND SECURITY WITHIN THE PLANT.A TOOLBOX TALK SHALL BE CO NDUCTED DAILY.CLEANLINESS OF THE AREA IS OF UTMOST IMPORTANCE AND THE CONTRACTOR SHALLENSURE THIS ALL THE TIME. WASTES WILL BE DISP OSED OF ON A DAY-TO-DAYBASIS.CONCRETE FOUNDATION:THE CONTRACTOR SHALL INSPECT THE TANK FOUNDATION AND REPORT FORSETTLEMENT AND CRACK .SHELL:ANY SIGN OF LEAKAGE FROM THE SHELL PLATE AND WELD SEAMCORROSION SPOTS, PITTING IN THE SHELL OR WELD AREA PAINT DAMAGE ORBLIST ERS WERE OBSERVED IN THE SHELL, ESPECIALLY IN THE UPPER COURSE OFTHE SHELL OR SHELL FACING THE SEASIDE. THE CONTRACTOR SHOULD MEASUR E THETHICKNESS OF THE SHELL OF ALL COURSES IN SELECTED PLACES AROUND THE TANKINCLUDING THE DEPTH OF CORROSION PITS IF FOUND.DEWA WIL L ARRANGE THE SCAFFOLDING REQUIRED FOR THE ABOVE WORK. THECONTRACTOR SHOULD THEIR REQUIREMENTS IN ADVANCE AFTER THE SITEINSPECTION.B OTTOM:THE ENTIRE BOTTOM PLATE INCLUDING THE ANNULAR PLATE SHALL INSPECTED BYMFL FOR METAL LOSS.SEVERE METAL LOSS DUE TO SOIL SIDE CO RROSION, CORROSION DAMAGE TO THELIQUID SIDE, AND THRU HOLES SHOULD BE MARKED AT THE SITE AND SHOULDRECOMMEND THE SIZE AND PROCEDURE TO REPAIR.DAMAGE IN THE ANNULAR PLATE, CRITICAL ZONE, AND PROJECTION PLATE OUTSIDESHELL AND SHOULD RECOMMEND THE SIZE AND PROCEDURE TO REPAIR.PAINT DAMAGE OR BLISTERS WERE OBSERVED IN THE BOTTOM.ROOF:SEVERE CORROSION, WALL LOSS, THRU OR PAINT DAMAGE IN THE ROOF OF THETANKCONDITION OF HANDRAILS INCLUDING DETERIORATION, CORROSION AND PAINTDAMAGE.CONDITION OF FLAME ARRESTERS, BREATHERS, INSPECTIO N HOLES, MAN WAYS ETC.CORROSION OR PAINT DAMAGE OBSERVED IN THE STAIRCASE AND PLATFORMSACCESSORIES:SIGN OF DETERIORATION IN MANWAYS, NOZZLES, WIND GUARD, SUCTION,DISCHARGE, OVERFLOW AND DRAINPIPES.THRU CONDITION OF OVERFLOW AND DRAINPIPES.THE CONTRACTORS ARE ADVISED TO GIVE THE PRICE IN A LUMP SUM FOR EACHTANK FOR CARRYING OUT THE ABOVE INTEGRITY INSPECTION JOB.·#EXTERNAL/INTERNAL INSPECTION A S PER API-650 STANDARD·#UTG & ULTRASONIC THICKNESS·#100%MFL SCANNING·#TANK SETTLEMENT SURVEY·# LIFE SPAN CALCULATION OF TANK.·#EVALU ATION OF THE REMAINING LIFE·#VACUUM TEST·#TANK VOLUMETRIC CALIBRATION & REPORTING2.STAGES OF INSPECTION:#THE WORK CARRIED OUT UNDER THIS CONTRACT SHALL BE INSPECTED BY THEOWNER#S REPRESENTATIVES AT ALL STAGES OF WORK. THE OWNER#S INSPECTORSSHALL ALWAYS HAVE FREE A CCESS TO THE SITE DURING THE CONTRACT PERIOD.CERTAIN SPECIFIC STAGE INSPECTIONS ARE MANDATORY. ONLY AFTER THEINSPECTION AND CERTIFIC ATION SHALL THE JOB PROCEED FURTHER. THE STAGEINSPECTIONS WILL BE AFTER:1.#PERMIT TO WORK (PTW), RISK ASSESSMENT (RA) AND TOOLBOX TA LKS (TBT)BEFORE ENTERING THE VESSEL2.# SITE SURVEY, EVALUATION FOR SAFETY OF THE PLANT, EQUIPMENT ANDPERSONNEL3.# LIST OF INSPECTION EQUIPMENT WITH BRAND, MODEL AND CALIBRATIONDETAILS4.#VISUAL INSPECTION OF VESSEL FOUNDATION, SHELL, ROOF AND BOTTOM5.#VESSEL FOUNDA TION BOTTOM SETTLEMENT AND TANK SETTLEMENT INSPECTION6.#THICKNESS OR WALL LOSS MEASUREMENT IN VESSEL BOTTOM, SHELL, AND ROOFBY MFL, UT AND PASHED ARRAY7.#DYE PENETRANT OR MAGNETIC PARTICLE INSPECTION OF WELD JOINTS IN THEBOTTOM PLATE8.# VACUUM TESTING OF CRITICAL WELD JOINTS INCLUDING ANNULAR PLATE WELDJOINTS TO SHELL AND BOTTOM PLATE9.#MARKING OF DEFECTS AT THE SITE TO REPAIR10.# RECOMMEND RE PAIR PROCEDURE INCLUDING SIZE OF PATCH PLATE, WPS ETC.11. Qty: 1 Integrity Inspection of PH1 Aux Boiler Drain / Emptying Tank at E Station-Dewa, Jebel Ali Dewa Contact Person: ARAVIND S NAIR - 0526160062,043226293/aravind.nair@dewa.gov.ae Ahmed 055657754/ahmed.elsherbeny@dewa.gov.ae STANDARD TERMS & CONDITIONS 1) Prices should be DDP delivery duty paid at DEWA stores. 2) Quotation to be submitted only in local currency U.A.E Dirhams 3) DEWA Standard payment terms is 30 days credit from the date of acceptance of material 4) No DEWA staff or his or her relatives up to third degree should have ownership or partnership in your company, and your participation in DEWA tenders / RFQs should not constitute a Conflict or perceived Conflict of Interest. Supplier Registration: https://srm.dewa.gov.ae/irj/portal/anonymous/regis Tender Link : https://srm.dewa.gov.ae/sap/opu/odata/sap/ZSRM_RFX_REG_BID_SRV/AttachmentSet(2332403231)/$value
|
